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Degradation Phenomena of Wooden Pillars in the Main Hall of the Fengguo Monastery, Yixian, Liaoning, China - Scientific Investigation with XRD, IC, and FTIR Analysis -
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- 발행기관
- 한국문화유산보존과학회(구 한국문화재보존과학회) 바로가기
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- 간행물
- 보존과학회지 KCI 등재 바로가기
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- 통권
- 제36권 제1호 (2020.02)바로가기
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- 페이지
- pp.15-27
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- 저자
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- 언어
- 영어(ENG)
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- URL
- https://www.earticle.net/Article/A370167
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4,500원
원문정보
초록
- 영어
- The Main Hall of the Fengguo monastery in Yixian county, Liaoning province, China, is the best preserved and largest wooden Buddhist structure, typical of the Liao dynasty style, in China. However, some degradation to the timber frame of the Main Hall has been noted, and this is causing concern in terms of the long-term preservation of the structure. In this study, wooden pillars showing the degradation phenomena of whitening, for areas in contact with the stone floor, and extensive surface damage at higher locations(mostly above 1 m) have been examined. Samples taken from wooden pillar surfaces were analyzed using X-ray powder diffraction, Fourier-transform infrared spectroscopy(FTIR), ion chromatography, and pH measurements. With respect to the whitening phenomenon, we found inorganic calcium precipitates and oxalate ions, along with higher pH values. These symptoms indicated that chemical changes were taking place in response to alkaline conditions, suggesting that alkaline mixtures with calcium content in the foundations may be responsible. Regarding the upper surface-damaged areas, no valid evidence for chemical degradation was found using FTIR analysis, while damaged areas exhibited the presence of more bat guano-related materials than which were apparent in undamaged areas. The occurrence of this surface-damaged phenomenon has therefore been attributed to physical damage caused by bat activity over long periods of time.
목차
ABSTRACT
1. INTRODUCTION
2. MATERIALS AND METHODS
2.1. Sampling methods
2.2. Analysis methods
3. RESULTS AND DISCUSSION
3.1. Whitening phenomenon areas
3.2. Surface-damaged areas
3.3. FTIR spectra combined with PCA
4. CONCLUSIONS
REFERENCES
키워드
Historic architecture Wood Degradation Whitening phenomenon Surface-damaged phenomenon FTIR analysis저자
간행물 정보
발행기관
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- 발행기관명
- 한국문화유산보존과학회(구 한국문화재보존과학회) [The Korea Society of Conservation Science for Cultural Heritage]
- 설립연도
- 2003
- 분야
- 자연과학>자연과학일반
- 소개
- 본 법인은 문화재 과학적 보존에 관한 제반 학술적 연구 발전 보급을 위하여 문화재 보존기술 개발과 수리 및 복원에 관한 방법을 연구함으로서 문화재의 보존 및 계승에 기여함을 그 목적으로 한다.
간행물
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- 간행물명
- 보존과학회지 [Journal of Conservation Science]
- 간기
- 연5회
- pISSN
- 1225-5459
- eISSN
- 2287-9781
- 수록기간
- 2003~2026
- 등재여부
- KCI 등재
- 십진분류
- KDC 602 DDC 700
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